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Product Detailed Parameters
- Description：CONN EDGE DUAL FMALE 56POS 0.156
- Series：306
- Mfr：EDAC Inc.
- Package：Bulk
- Card Type：Non Specified - Dual Edge
- Gender：Female
- Number of Positions/Bay/Row：28
- Number of Positions：56
- Card Thickness：0.054" ~ 0.070" (1.37mm ~ 1.78mm)
- Number of Rows：2
- Pitch：0.156" (3.96mm)
- Read Out：Dual
- Features：Card Guides
- Mounting Type：Panel Mount
- Termination：Solder Eyelet(s)
- Contact Material：Copper Alloy
- Contact Finish：Tin
- Contact Finish Thickness：-
- Contact Type：Cantilever
- Color：Green
- Flange Feature：Flush Mount, Top Opening, Threaded Insert, 4-40
- Operating Temperature：-40°C ~ 105°C
Download product information
Overview
The EDAC Inc. 306-028-400-178 is a standard card edge connector receptacle designed for through-hole mounting. It features 56 positions with a 3.96 mm (0.156 inch) contact spacing and utilizes a dual-edge configuration. The contacts are made of copper alloy with tin plating, rated for 5 A current. The insulator body is constructed from thermoplastic polyester in green color, accepting printed circuit boards with a nominal thickness of 1.57 mm. This component belongs to the EDAC 306 series.
Feature Summary
- Dual-edge female connector design accommodates non-specified board types
- Through-hole termination method ensures secure solder joint attachment
- Thermoplastic polyester insulator provides structural stability
Applications
- Industrial control system interconnections
- Telecommunications equipment backplanes
- Consumer electronics module integration
Procurement Notes
Verify that the specific tin-plated variant matches the application requirements, as gold-plated alternatives exist within the same series. Confirm the dual-edge receptacle orientation aligns with the mating card edge design. Ensure the 1.57 mm board thickness specification is compatible with the target PCB stack-up before finalizing procurement orders.
Selection Notes
Select this part when a high-density 56-position connection is required with a wide 3.96 mm pitch. The tin plating offers a cost-effective solution compared to gold variants while maintaining reliable conductivity. The straight through-hole style suits panel or chassis mounting applications where space constraints allow for vertical insertion relative to the mating card.
Part Context
This component is part of the EDAC 306 series, which specializes in standard card edge connectors. The series typically includes various position counts and plating options to support diverse industrial and commercial connectivity needs. The 306 series is characterized by its robust thermoplastic construction and standardized dimensional profiles for broad compatibility.
Replacement Considerations
The 306-028-400-103 is a documented alternative within the same series, differing primarily in plating specifications. Verify pin count and spacing consistency when substituting.
